8320716 has 18 divisors (see below), whose sum is σ = 21033012. Its totient is φ = 2773560.

The previous prime is 8320693. The next prime is 8320717. The reversal of 8320716 is 6170238.

It is a tau number, because it is divible by the number of its divisors (18).

It is a self number, because there is not a number n which added to its sum of digits gives 8320716.

It is not an unprimeable number, because it can be changed into a prime (8320717) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 115530 + ... + 115601.

Almost surely, 2^8320716 is an apocalyptic number.

It is an amenable number.

8320716 is an abundant number, since it is smaller than the sum of its proper divisors (12712296).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8320716 is a wasteful number, since it uses less digits than its factorization.

8320716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231141 (or 231136 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 8320716 is about 2884.5651318700. The cubic root of 8320716 is about 202.6376932747.

The spelling of 8320716 in words is "eight million, three hundred twenty thousand, seven hundred sixteen".